It started with a toe that didn't quite move, in a sock, in a shoe, that crumpled up, very odd. This is the story of John, and an eight-year battle to find a diagnosis.

MMN disease or multifocal motor neuropathy is a rare autoimmune disorder where the immune system attacks motor nerves causing progressive asymmetric muscle weakness. It is often mistaken for ALS, but affects only lower motor neurons leading to difficulty with fine movements, dropping things, and sometimes muscle cramps. It is very rare, affects a small percentage of the population, more common in men, and often starting in middle age. This is the most incredible story.

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